Feature: Hands Free, FM Radio, TF Card
Bluetooth version: BK 3.0
Net weight: 280g
Charging Time : about 1hrs
Working Time :about 2-4hrs
Charging voltage:4.8-5.5V DC.
Working voltage: 3.7-4.2V DC.
Frequency:2.402-2.480GHz
Battery Capacity: 400MAH
Speaker: 4Ω, 3W *1
Speaker size: 45mm
RF Range:10M
Color: blue, red, black, silver
